
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 135mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ200X135-100 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical stopper that allows you to trim the nominal 135 mm stroke back by up to 100 mm. This creates a wide 35-135 mm usable travel window, letting you fine-tune end positions at commissioning without swapping hardware. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, with a maximum capacity of 3204 kgf at 1.0 MPa.
This specific SKU uses an SUS420J2 stainless steel rod for superior corrosion resistance and ships with PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this base configuration omits the magnet, so external physical stops are required for end-position sensing. The 40 mm rod and M36x2 thread provide high rigidity, but because the adjuster only acts as a travel stop, you must maintain live air pressure to hold the load.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 135 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×135 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Dial in the exact 35-135 mm travel window during heavy press commissioning to achieve precise end-position force without swapping cylinders.
Quickly adapt a packaging line for different carton sizes by turning the rear adjuster screw, eliminating the need for external mechanical stops.
Set variable end stops for heavy-duty material handling tasks that require up to 3204 kgf of push force across multiple fixture lengths.
Choose this 200 mm bore when your application requires up to 3204 kgf of force and significant on-the-fly stroke variability. If you need less thrust, stepping down to the 160 mm bore yields 10053 N of push force at 0.5 MPa, which might suffice for lighter loads. The 100 mm adjustment range is ideal for product-size changeovers on a packaging line, replacing the need to bolt on external stops or maintain a stock of fixed-stroke SAI cylinders.
Because the total stroke here is 135 mm, you do not need an external guide for side-load support, but always ensure the mountings handle the inertia. This model uses PT ports and supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. If you need true load-holding without live air, the rear stopper here is not a brake; consider the SAIL or BSAI series instead. The operating speed is 30-500 mm/s.
Quick checklist
At 0.5 MPa operating pressure, it provides 15708 N of push force and 15080 N of pull force. At its maximum rated pressure of 1.0 MPa, the push force reaches 28274 N, equating to 3204 kgf.
The rear stopper screw lets you shorten the 135 mm nominal stroke by up to 100 mm, providing a usable travel window of 35 to 135 mm. The adjuster acts only as a travel stop and does not lock the load without live air pressure.
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